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Lines, angles, and triangles · 第 1 题

Lines, angles, and triangles · 原库模块 1 · Q1 原库参考解析

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In the figure, AC = CD. The measure of angle EBC is 45°, and the measure of angle ACD is 104°. What is the value of x?

支持整数、小数和分数;循环小数建议填写分数,不需要写单位。